Author:Mc Dougall, IDate:2007Finite element models were generated of two submerged arc furnaces of different geometries. A 48MW circular furnace and a 68MW 6-in-line rectangular furnace were studied. The electrodes, raw material, slag and molten metal were included in ...Read more
Author:Kok, S; van Rensburg, JGJDate:01 Sep 2010In anthropology, the finite element method (FEM) is frequently applied to determine the validity of hypotheses concerning the adaptation of biological form to suit functionality. Different geometries are analysed, and based on the predicted ...Read more
Author:Ritchie, Michaela C; Lück-Vogel, Melanie; Debba, Pravesh; Goodall, VDate:May 2017Medium spatial resolution sensors (10-30 m pixel size) have been used for land cover classification and monitoring for decades. However, these sensors do not have the required resolution to detect coastal specific land cover classes and ...Read more
Author:Walwyn, DDate:2007The sudden and dramatic growth of the mobile phone manufacturing sector in Finland is an interesting case study for science and technology (S&T) policy analysts. Mostly on account of the rapidity of this growth against a relatively static ...Read more
Author:Mcferren, GA; Roos, S; Terhorst, ALDate:2006AFIS (Advanced Fire Information System) is a joint initiative between CSIR and Eskom, the South African electricity utility. AFIS infers fire occurrences from processed remotely sensed data and triggers alarms to Eskom operators based on ...Read more
Author:Butgereit, L; Moonsamy, S; Thomson, T; Van Zyl, T; McFerren, GDate:Nov 2014Humanity has had a long historical relationship with fire. According to anthropologists, the first humanoid species learned to use and control fire approximately two million years ago. Using fire and controlling fire, however, are dramatically ...Read more
Author:Van Wilgen, BW; Biggs, H; O'Regan, SP; Mare, NDate:Apr 2000This paper analyses the fire history of the Kruger National Park (1.9 million ha), South Africa, for different periods in the park's history, where fire protection was followed by prescribed burning and then a 'natural' (lightning) fire policy. ...Read more
Author:Schrige, GU; Penderis, AHDate:Oct 1978References to 258 publications are presented together with summaries, keyword listings and a keyword index. This bibliography forms part of the South African contribution to the SCOPE project "The ecological effects of fire", 1977-1980.Read more
Author:van Wilgen, BW; Forsyth, GG; de Klerk, H; Das, Sonali; Khuluse, S; Schmitz, PDate:2010The authors used a spatial data base of fires within 10 protected areas covering >720 000 ha to examine the frequency, seasonality, size and cause of fires over four decades. Their study covered five fire climate zones and a range of mountain ...Read more
Author:Frost, PDate:2011Fires kill and injure hundreds of people in South Africa each year, and is also responsible for damage to property and diseases such as athma due to smoke inhalation. The Advanced Fire Information System (AFIS) was started in 2003 as a service ...Read more
Author:Archibald, SDate:May 2013Since the time of Darwin, Wallace and Schimper, botanists and ecologists have been interested in understanding the global distribution of vegetation. Such questions are becoming more pressing as Earth System modellers attempt to predict the ...Read more
Author:Olwal, TO; Mekuria, FissehaDate:Sep 2013The tremendously rapid evolution of wireless networks into the next generation heterogeneous broadband and mobile networks has necessitated the emergence of the multiradio, wireless infrastructure. These wireless infrastructural technologies ...Read more
Author:Pule, M; Abu-Mahfouz, Adnan MIDate:Nov 2019Wireless Sensor Networks (WSN) provide an affordable infrastructure that allows numerous control and data collection processes to be conducted with high spatial and temporal resolution. The recent arrival of Low Power Wide Area Networks (LPWAN) ...Read more
Author:Smith, Suzanne; Land, Kevin J; Bezuidenhout, L; Chagas, AMDate:Nov 2018We report on a workshop based on open source principles to implement innovative solutions for laboratories and science applications in Africa. Specifically, 3D printed designs and electronic circuit designs implemented by different research ...Read more
Author:Morton, B; Theyse, HLDate:Mar 2003After many years of owning and operating a Heavy Vehicle Simulator (HVS) Mk III, Gautrans acquired a HVS Mk IV+ in May 2002. In addition to the advanced features that this machine possesses in comparison to its predecessor, the HVS Mk IV+ ...Read more
Author:Phokeer, A; Johnson, David; Densmore, M; Feamster, NDate:Nov 2016This paper presents a study of mobile data usage in South African townships. In contrast to previous studies, which have studied mobile data usage in developing regions (including South Africa), we focus our study on two townships in South ...Read more
Author:Somerset, VSDate:Jan 2010In order to investigate and understand the behaviour of mercury in the South African environment, the Council for Scientific and Industrial Research (CSIR) has established the first Mercury Reference Laboratory at the CSIR in Stellenbosch, ...Read more
Author:Morris, CDate:May 2007Access to Information and Communication Technologies (ICTs) remains one of the biggest challenges to Africa in leapfrogging the development chasm. The African digital divide can be in part attributed to a restrictive regulatory policy that ...Read more